Exhibit 23.3 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To: OSK Capital II Corp. We hereby consent to the use in the Registration Statement Form SB-2 and the related Prospectus of our report dated July 13, 2005 which appears in such Registration Statement. /s/ Schwartz Levitsky Feldman LLP - ------------------------------------ /s/ Schwartz Levitsky Feldman LLP Montreal, Quebec August 28, 2006